111430402031 has 8 divisors (see below), whose sum is σ = 120604999200. Its totient is φ = 102341951712.

The previous prime is 111430402009. The next prime is 111430402033. The reversal of 111430402031 is 130204034111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111430402031 - 2⁶ = 111430401967 is a prime.

It is a super-2 number, since 2×111430402031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111430401994 and 111430402012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111430402033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21534020 + ... + 21539193.

It is an arithmetic number, because the mean of its divisors is an integer number (15075624900).

Almost surely, 2^111430402031 is an apocalyptic number.

111430402031 is a deficient number, since it is larger than the sum of its proper divisors (9174597169).

111430402031 is a wasteful number, since it uses less digits than its factorization.

111430402031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43073425.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111430402031 its reverse (130204034111), we get a palindrome (241634436142).

The spelling of 111430402031 in words is "one hundred eleven billion, four hundred thirty million, four hundred two thousand, thirty-one".